a week-long tribute in south africa for nelson mandela gets under way. the farewell will include president obama and former u.s. presidents. >>> newlywed murder. a trial set to begin today for a young bride accused of pushing her new husband off the cliff. as new details in this case emerge. >> edge of the world. no harness, no safety net. a daredevil takes his handstand to new heights. >>> and good monday morning. we begin with snow-covered runways and roadways following a wintry storm that seemed to catch people offguard. >> and it's not over yet. a look at the radar there. after a day of snow and ice, the slow-moving system still stretching from the deep south all the way up to maine. >> and this is what it did overnight in the northern suburbs of new york city, icy roads contributed to this nasty multi-car pileup in yonkers. it sent 40 people to the hospital. no one was killed. >>> more than 1,000 flights have been canceled today across the country. a number that's sure to grow. here's a live look at philadelphia's international airport where more th